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16 Cards in this Set
- Front
- Back
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What are the three essential life processes?
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growth, repair and reproduction
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WHat is the first stage of mitosis? second, third, fourth?
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prophase, metaphase, anaphase, and telophase
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What happens in cytokinesis?
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cytoplasm is divided (pinched) in half the cell membrane grows to enclose each cell, forming 2 gentically indentical cells as a result.
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What is the stage called that cells remain for 90% of the time?
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Interphase
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What is sexual?
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the production of offspring combining gentic material from two parents.
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DNA is in long threads called __________.
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chromatin
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Why do cells divide?
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1. Demands place in DNA
2. Efficent movement of nutrients in and out wastes out. 3. reproduction 4. growth/repair |
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What is cell division?
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is the splitting of a single cell into 2 new cells and accounts.
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What are the two types of reproduction?
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asexual and sexual
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What is pinching called in animal cells?
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cleavage
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What is Asexual?
Examples? |
the production of offspring by a single parent without combining genes.
bacteria, fungi, plants |
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When does cytokinesis begin?
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when mitosis ends
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What is pinching called in plant cells?
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cell plate
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What is one example of repair?
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regeneration
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__________ is crucial for repairing or replacing damaged tissues.
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cell division
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What is differentiation?
Examples? |
as cells divide changes take place as they develop, like shape and function.
nerve cells, respiratory cells |
